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OpenAdvisories
High ALSA-2026:25918 17 CVEs

Important: webkit2gtk3 security update

Published Jun 15, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform.

Security Fix(es):

* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28946)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28847)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28883)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28901)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28902)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28903)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28904)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28905)
* webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2026-28907)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28942)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-28947)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28953)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash (CVE-2026-28955)
* webkitgtk: An app may be able to access sensitive user data (CVE-2026-28958)
* webkitgtk: Processing maliciously crafted web content may lead to an unexpected Safari crash (CVE-2026-43658)
* webkitgtk: Processing maliciously crafted web content may prevent Content Security Policy from being enforced (CVE-2026-43660)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Fixed packages 4

ReleasePackageFixed in
AlmaLinux · 8 webkit2gtk3 2.52.4-1.el8_10
AlmaLinux · 8 webkit2gtk3-devel 2.52.4-1.el8_10
AlmaLinux · 8 webkit2gtk3-jsc 2.52.4-1.el8_10
AlmaLinux · 8 webkit2gtk3-jsc-devel 2.52.4-1.el8_10

Vulnerabilities 17

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-28847
  • report
    https://access.redhat.com/security/cve/CVE-2026-28883
  • report
    https://access.redhat.com/security/cve/CVE-2026-28901
  • report
    https://access.redhat.com/security/cve/CVE-2026-28902
  • report
    https://access.redhat.com/security/cve/CVE-2026-28903
  • report
    https://access.redhat.com/security/cve/CVE-2026-28904
  • report
    https://access.redhat.com/security/cve/CVE-2026-28905
  • report
    https://access.redhat.com/security/cve/CVE-2026-28907
  • report
    https://access.redhat.com/security/cve/CVE-2026-28942
  • report
    https://access.redhat.com/security/cve/CVE-2026-28946
  • report
    https://access.redhat.com/security/cve/CVE-2026-28947
  • report
    https://access.redhat.com/security/cve/CVE-2026-28953
  • report
    https://access.redhat.com/security/cve/CVE-2026-28955
  • report
    https://access.redhat.com/security/cve/CVE-2026-28958
  • report
    https://access.redhat.com/security/cve/CVE-2026-43658
  • report
    https://access.redhat.com/security/cve/CVE-2026-43660
  • report
    https://bugzilla.redhat.com/2471790
  • report
    https://bugzilla.redhat.com/2483955
  • report
    https://bugzilla.redhat.com/2483956
  • report
    https://bugzilla.redhat.com/2483957
  • report
    https://bugzilla.redhat.com/2483958
  • report
    https://bugzilla.redhat.com/2483959
  • report
    https://bugzilla.redhat.com/2483960
  • report
    https://bugzilla.redhat.com/2483961
  • report
    https://bugzilla.redhat.com/2483962
  • report
    https://bugzilla.redhat.com/2483963
  • report
    https://bugzilla.redhat.com/2483964
  • report
    https://bugzilla.redhat.com/2483965
  • report
    https://bugzilla.redhat.com/2483966
  • report
    https://bugzilla.redhat.com/2483967
  • report
    https://bugzilla.redhat.com/2483968
  • report
    https://bugzilla.redhat.com/2483969
  • advisory
    https://errata.almalinux.org/8/ALSA-2026-25918.html
  • report
    https://www.redhat.com/security/data/cve/CVE-2026-28984.html